Mold for forming concrete drain-tile.



s. L. SHEETS. MOLD FOR FORMING CONCRETE DRAIN TILE.

APPLIGLTION FILED MAY 2. 1907.

?a.tented Nov. 24,- 1908.

Witnesses:

mgaim MOLD FOR FORMING CONCRETE DRAIN TILE.

APPLICATION TILED MAY 2. 1907.

Patented NOV. 24, 1908.

2 SHEETS-SHEET 2.

Wzesseg' UN ED STATES PArENT- OFFICE.

sAMUEnLEE snnn'rs, or PARIS, ILLINOIS.

Mom) FOR FORMING ooncnnrr. DRAIN-TILE.

Specification of Letters Patent.

Patented Nov. 24, 1908.

Application filed May 2, 1907. Serial No. 371,510.

- Form for Molding Concrete Drain-Tile and (Jonne'ction for Connecting Concrete Tile so as to Form One Solid Pipe.

My, invention, a form for molding concrete drain tile sewer pipe and connection, is shown in the accompanying drawings.

Figure l is a plan-view of the shells of my form for molding concrete drain tile, or sewer pipe and connection, showing the mold in position to receive the concrete, which is poured between the two cylindrical shells. Fig. 2 is a vertical ection of the two shells showing the arrangement of the hinges to the shell sections, and also the arrangement of the arms to the shell sections and the centerpost respectively. Fig. 3 is a vertical section of the entire form for molding the tile with the joint. connection, showing the cleats on the pallets, which leave thespaces on the upper outside of the tile and on the lower inside tobe filled with cement when laid,

and. also the position of the shells and the pallets until the concrete sets. Fig. 4 is a plan view of the pallet, for making the con nection of tiles, showing the arrangement of the cleats. Fig. 5 is a .vertical view of the pallet. Fig. 6 is a view of one of the channel bands, andclasp hinge used to fasten the outside cylindrical shell. Fig. 7 is a view ofthe tile showing the joint formed by means of the cleats on the pallet. -Fi'g. S is a view showing the ridged surface oft i'c spaces on" the upper outside of tile and lower inside'of the tile made by the cleats. and to be filled with the cement to form the solid joint of the pipe when the tiles are laid.'- Fig. 9 is a View of the joint of 'the. tiles; lillcd with cement forming a continuous pi 'pc. Fig. it) is a view'showing the joint on the upper outside, and on the lower inside of the tiles filled with cement. Fig. ii is a view of the tiles laid in position showing'lhe joint of tiles ready to receive the cement.

Similar letters and numerals refer to similar parts throughout the several views.

Reference numeral 1 represents the halves arc -rca dy for rcmova of the outside cylindrical shell; 2 represents the quarter sections of the inside cyhndrlcal shell. A, the four sections of the channel bands on the inside of the inner shell, B the hinges of these channel bands; B B represents strap hinges, which may be used on the sections of the shellQ; '0 represents the bolt and nut hinges on collars X. I) the turnbuckle in center of each arm; F the'centcr post, L the-handhold, G the bolt and nut hinges of arms toangle irons R, K the bolts and .nuts which fasten the angle irons through the channel bands to the sections of the inner cylindrical shell 2; M represents the hinge which joins the sections of channel bands N on the outside of the outer cylindrical shell; S represents the clasp hinge which closes the outside shell at. channelhands. Q is the groove inthe channel b ands N into which the point Y ttts' when the clasp hinges are turned-back to fasten 'th I shel A represents the sections of channel bands on the inside of the inner cylindrical shell;

0 represents the pallet, and T the semicircu lar cleats. V represents the connection up the. the joint, or spaces-filled with cement when tile is laid.

The outside cylindrical shell is made of X is in two sections. which are hinged togetheron one side with a bolt andnut hinge M, and drawn taut on the opposite side by an iron clasp hinge- S, near the upper and lower edges of the cylindrical shell; this clasp hiugc enables the operator to open the closed molds with iedi-tion when the tiles l from forms.

The inside cylindrical shell is formed of four sections 2 and handed on the inside near each end of shell by sections-of channcl iron bands A, which areriveted to the inner shcll. Three sections of the channel hands are lunged together by bolt and nut hinge at 13. 13 one section of shell being free and movable with respect to the two ad- .100

jaccnt quarter sections, the end of the channel bands in these three sections butt together when the shell is collapsed by lifting L. Three sections of the inner cylindrical shelsmay be joined by strap hinges as shown at B B9.

flhegfour quarter sections of the inside cyli'nglricalfhell-f are; connected by the arms 6 to an inch iron pipe in the center, or center post F, by a bolt and nut hinge C. At the center of each section .2 of inside shell are riveted two angle irons R R; the outer ends of thearms are hinged to the an gle irons by means of a bolt and nut at G. The arms' E- E are composed of two half inch iron rods, the inner ends of the arms are joined to thevcollars X by a bolt and nut hinge O. The collars are madecof two iron Straps riveted at P to center post F; each arm has in the center a turnbuckle D, with bolt for adjustment of the inside cylindrical shella The arms are arranged around. the lieuter post in setsof two arms each; two sets just underneath the hand hold and'two jsets lowerdown on the center post. The arms are hinged to collars X, which are riveted to F at right angle to, each other, one collar just above the other, leaving the lower set of arms on an incline to centerpost. The sets of arms on lower end of center post are arranged in the same way. When the mold i in po i .011 two sets of arms are on an ini .e and two sets stand horizontally. Vi hen the center-post is lifted all, the iirms incline @ward the shell, and the one movable sectibn being loosened thdes over the edges of the two adj acent sections, as the inner cylindrical shell is removed from the tile by the operat r. The pallet 0 consists of a circular platform, with two semicircualr cleats T on top, so placed that the outer edge of one cleat meets the inner edge of the other cleat; said eflcleats may have a rise of two inches. Said cleats may he square, beveled, oval or ridged on face or top. Said pallets may be castin metal or made of Wood. Remove the cleats from pallet then you have molds for plain $5 round-tile; l I The operation of a form for molding con- ;crete drain tile and connection constructed as above described is as follows: The out-- cylind ical shell is closed by means of l iron c sphinges, and set on thepallet oft-he cleats, which is one hall s of the tile desired, rests against of the outer shell, andthe other esired, will rest against the outside of the drical shell when the inside cylinerator ad s the width of the space for the thickness of the tile between the two shells, by means of a'turnbuckle in each arm, and by pushing down handle L the arms force the sections of the inner shell outward,-and outer sides of the movable section, which h is half the thickness of the tile placed. on the pallet. The opeoaooo extends over the adjacent edges, slide toward the edges of the two-adjacent sections and holds the shell tau't,.,lcmin the space between the inside and outside cylindrical shells for the reception. of the concrete. When the spacehas been filled with the concrete, reverse a pallet for a lid on the shells, so that the tile when molded will have a semicircular space, the rise 01 the cleat, halfway around each end or rim of the-tilev When the tiles are laid there will be a. space double the rise of the cleat on the top of the tile on the outside, and a'space double the rise of the cleat on the lower side or the tile on the inside. These spaces are to be filled with cement when laid, forming a continuous pipe and perfect connection of tile, and saving material and labor in laying the tile; as the ditch would have to be no larger than the tile, thussaving labor in excavating for tiles which are, liltlde to oin over, or into each other; and less danger of breakage in handling and laying.

I claim:

The combination in a form of molds for concrete drain tile, or sewer pipe, of a pallet, the semicircular cleats oppositely arranged on the pallet, a separate outside cylindrical shell divided vertically into two similar parts, the channel iron bands riveted on the outside of the shell sections near either end; the hinge, of the channel iron bands with a bolt and nut hinge on one side of the shell, the hinged iron clasps, which fasten the sections of the shell together at the front edges or" the channel hands; a separate collapsible shell divided vertically into four sections, the operating centerpost movable longitudinally in said shell by means of a hand hold, the hand hold, the collars a ranged in sets of two at right angles to each other near each end of the ccnterpost, the collars-riveted around the centerpost, the four sets of two arms each, pivotally joined 'to the collars with a bolt and nut; the turn bucklesin the arms, the hinge of the arms to the shellsections by means of a bolt and nut through the angle irons, the angle irons riveted to the shell sections through the channel bands; (the channel bands riveted to 5' .tion of the shell pivotally connected to the center-post by arms, said section being movable over the outside edges, of the two adjoining sections of the shell, by means of the operating centerpost when the shell is expanded or collapsed; the hinge of the arms to the eentcrpost by means of a bolt and nut through the collar; the strap hinges pining 1 a 4 the snell sect ons; two sets of arms COIlIlBCE- ing said shell sections to said centerposb, be- I In testimony whereof I affix my signature ing arranged obliquely with respect to said I in the presence of two witnesses.

centerpost, and Fhe IOt-hQIZtWO sets belng h011- SAMUEL LEE SHEETS. zontally arranged to sald centerpost, when the shell is expanded; and the mold for the l/Vitnesses': tile joint, all substantially as described and A. Y. TROGDON, for the purpose specified. IDA TROGDON. 

